{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7aa988ff41c75abee8df5cc391bb290a96089abb909ebfba8f846ae51d9943d",
    "signature": "0x08c10aadd30166e3bc59201217a832ce40c99ff62c98e96e294e28ec2b080fcb5ebaefe6fe939d8cd46bd7bebb2f04a0911976158c141f9183353c79619a67861c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}